Preliminary Version 1.0

128x64Driver for Dot Matrix LCD

RA8808

5-4 Power

Pin Name

I/O

Description

VOUT

O

Regulator Voltage Output

VDD

VDDP

P

Digital Power

GND

GNDP

P

Digital Ground

AVDD

P

Analog Power

AGND

P

Analog Ground

C1N

C1P

I

Capacitor Input

These are used to connect a capacitor for internal Booster.

C2N

C2P

I

Capacitor Input

These are used to connect a capacitor for internal Booster.

C3P

I

Capacitor Input

These are used to connect a capacitor for internal Booster.

V0A~V4A

I

Voltage Input

V0~V4

O

Voltage Source of LCD Driver

The relationship of the power is V0 > V1 > V2 > V3 > V4 > GND.

5-5 MISC

Pin Name

I/O

Description

ADC

I

Selection of Segment Data Direction

ADC

Common Data Shift Direction

H

SEG0

SEG1 …

SEG127

L

SEG127

SEG126 …

SEG0

SHL

I

Selection of Common Data Shift Direction

SHL

Common Data Shift Direction

H

COM0

COM1 …

COM63

L

COM63

COM62 …

COM0

DS

I

Selection of Display Duty

DS

Duty

H

1/64

L

1/48

TEST0

TEST1

TEST2

I

These pins must contact to GND in normal mode.

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